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Winter Solstice: When Is It, And What Is It?

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Winter Solstice: When Is It, And What Is It?

What is the Winter Solstice? It’s the astronomical moment when the Sun reaches the Tropic of Capricorn, we have our shortest day and longest night of the year in the Northern Hemisphere in terms of daylight. Regardless of what the weather is doing outside your window, the Solstice marks the official start of the winter season.

When is the Winter Solstice?

In 2018, the winter solstice occurs on Friday, December 21st at 5:23 p.m. EST.

What is Does “Solstice” Mean?

The term “solstice” comes from the Latin words sol (sun) and sistere (to stand still) because, during the solstice, the angle between the Sun’s rays and the plane of the Earth’s equator (called declination) appears to stand still.

So what does that mean, exactly? Upon the winter solstice, the Sun appears at its lowest in the sky, and its noontime elevation seems to stay the same for several days before and after this day. The Sun’s gradual decrease in the sky reverses upon the winter solstice, marking what many cultures believe to be a “rebirth” of the Sun as the hours of daylight become longer.

Essentially, our hours of daylight—the period of time each day between sunrise and sunset—have been growing slightly shorter each day since the Summer Solstice last June, which is the longest day of the year (at least in terms of light). After December 21, the days will begin to grow longer and will continue to do so until we reach the Summer Solstice again, and begin the whole cycle anew.

While we celebrate the Winter Solstice, those living in the Southern Hemisphere will be simultaneously marking the Summer Solstice. That’s because while our half of the globe is inclined away from the Sun, their half is inclined toward it. Being tilted away from the Sun brings us shorter days and colder temperatures.

Early man kept track of the days by observing the Sun as it “moved” across the sky and cast shadows during the day and at different times of the year.  In fact, historians believe Stonehenge in England was erected to keep track of the Sun’s yearly progress.

winter solstice

Check your noontime shadow around the time of the solstice: It will be your longest noontime shadow of the year!

Winter Solstice Folklore and Celebrations

The Winter Solstice has played an important role in cultures worldwide from ancient times until today. In fact, many of the customs, lore, symbols, and rituals associated with Christmas are actually associated with Winter Solstice celebrations of ancient Pagan cultures.

  • Alban Arthan, Welsh for “Light of Winter,” is a universal festival, which has been (and still is) celebrated by many people and is probably the oldest seasonal festival of humankind. In Druidic traditions, the Winter Solstice is thought of as a time of death and rebirth when Nature’s powers and our own souls are renewed. It marks the moment in time when the Old Sun dies (at dusk on the 21st of December) and when the Sun of the New Year is born (at dawn on the 22nd of December), framing the longest night of the year. The birth of the New Sun is thought to revive the Earth’s aura in mystical ways, giving a new lease on life to spirits and souls of the dead. The prehistoric monument, Newgrange built in Ireland around 3200 B.C. (making it older than Stonehenge), is associated with the Alban Arthan festival. The site consists of a large circular mound with a stone passageway and interior chambers. When the Sun rises, the chamber is flooded with sunlight on the Winter Solstice. What Stonehenge is for Alban Hefin (The Druid festival for The Summer Solstice), Newgrange is for Alban Arthan.

  • The Feast of Juul was a festival observed in Scandinavia when fires were lit to symbolize the heat, light and life-giving properties of the returning Sun. A Yule—or Juul—log was brought in and burned on the hearth in honor of the Scandinavian god, Thor. It was Thor’s job to bring the Sun’s warmth back to the people. The log, which was never allowed to burn entirely, was kept as both a token of good luck against misfortune and used as kindling for the following year’s log. In England, Germany, France, and other European countries, the Yule log was burned until nothing but ash remained. The ashes were then collected and spread into the fields as fertilizer every night until Twelfth Night, or worn around the neck as a charm. French peasants would place the cooled ashes from the log under their beds, believing they would protect the house against thunder and lightning. The present-day custom of lighting a Yule log at Christmas is believed to have originated with these fires associated with the Feast of Juul.
  • In addition to the traditions from western cultures, the Dongzhi Winter Solstice Festival is celebrated as a time for the entire family to get together to celebrate the past good year. As ancient Chinese thought, the yang, or muscular, positive things will become stronger and stronger after this day, so it should be celebrated. Dumplings are usually eaten.
  • Saturnalia – In Ancient Rome, the Winter Solstice festival referred to as Saturnalia began on December 17 and lasted for seven days. It was held to honor Saturnus, the Roman god of agriculture and harvest, and was characterized by the suspension of discipline and reversal of the usual order. Grudges and quarrels were forgiven, wars were postponed, and people engaged in carnival-like festivities. The popularity of Saturnalia continued into the third and fourth centuries AD, and as the Roman Empire came under Christian rule, some of the festival’s customs have influenced our current celebrations surrounding Christmas and the New Year.

Did you know? Not all seasons are the same length. The time it takes for the Sun to “move” from the vernal equinox to the summer solstice is 92.8 days, to the autumnal equinox, 93.6 days; to the winter solstice, 89.8 days; and back to the vernal equinox 89.0 days (approximately).

Do you have any special ways you celebrate the start of winter? Tell us in the comments below!

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1 Marcia { 12.21.18 at 12:53 pm }

Hi Colorado Slim and others – your comment/wondering about Dec. 25 leads me to refer all of you, who wish to know more, to a video made a few years ago. Rick Larson began researching because of a question his daughter asked. Eventually, he got a very good astronomy computer software and did serious research for a couple of years. What he found were the constellations as described in the Bible regarding the birth of GOD’S “suffering servant” and our Messiah. One constellation announced His conception, and the “wise men” of Babylon could interpret it and knew that the long awaited Messiah would be born about 9 months later. (It is wondered why Babylonian astronomers would care about a King for the “Jews” – BUT Daniel who was the King’s advisor and wise man, never went back to Jerusalem and we can assume he taught the later generations of astronomers who could have been Babylonian and Hebrew descendants.) Anyway, several, we say three because three gifts were listed, began their multi-month trip following the star. Rick’s astronomy software identifies it as several “heavenly” objects not necessarily close to each other, but seeming to come together to make one significantly brighter “star” in the nightime sky. The “visiting star” moved westward an finally seemed to stop over a small town outside of Jerusalem. (retrograde movement because earth is also moving, looks like the object goes backward). The astronomy software could also interpolate the date of that “star” to our modern”Roman” calendar. And the date the “wise men” presented the little child, we know as Jesus/Yeshua and his parents with gifts of gold, frankincense and myrrh on what we would call December 25, 2 BC! Jesus was thus born around the end of September, 3 BC. The video can be viewed on You Tube for free – The Star of Bethlehem Documentary 2007, https://www.youtube.com/watch?v=oGUlWa2r-bk. Merry Christmas and Happy New Year !

2 Paula Lee { 12.20.17 at 8:02 pm }

My new Granddaughter just might arrive on the 21st!

3 Lilian { 10.15.16 at 1:55 pm }

There’s also this book called the Path of the Spiritual Sun that explains in details the celebrations of solstices and equinoxes, a time where people connect with the heavens and the earth. It mentions that the Pyramids of Giza, Stonehenge, Machu Picchu, Glastonbury, and other sacred sites around the world aligned to the Sun. It also points out many similarities between these sacred sites, such as all worshipped the Sun(also known as the Christic force of Love). It’s a great book to learn the universal spiritual significance of these celebrations. It is also recommends how to celebrate them.


4 Sherri Nicol { 12.23.15 at 8:44 am }

Being Wiccan, I make a decorative Yule Log made of birch with candles on it to light on Solstice Night for our centerpiece, as well as using a birch log for the fire. First I turn off all the lights in the house to symbolize the cold, dark of the long winter night, then light the fire with a piece of the past year’s log, and when the fire is blazing, I light all the candles and turn all the lights back on to symbolize the new born Sun. I play pagan carols and sing and drink a toast to the Sun’s return.

5 Patricia Russell { 12.21.15 at 10:52 am }

My father, who transitioned in 1968, was born on December 22nd.
I am thinking of him and feel a very powerful connection today.

6 Colorado Slim { 12.17.15 at 1:53 pm }

I’m confident in the figurative clarity of the darkest day of the year as the longest night, for those who have ears to hear…

7 Susan Higgins { 12.16.15 at 6:23 pm }

Hi Colorado Slim, it won’t be the darkest day of the year, just the longest night. In fact, the sky will be lit with the bright waxing gibbous Moon, giving us a full Moon on Christmas day! Take a look: http://farmersalmanac.wpengine.com/blog/2015/12/16/rare-christmas-full-moon/

8 Colorado Slim { 12.16.15 at 3:34 pm }

With Christmas or its eve coming 3 days after the darkest day of year, I wonder if Christmas’ date wasn’t chosen for Trinitarian symbolism…

9 misty { 12.16.15 at 3:11 pm }

have been a winter solstice girl for MANY moons…reaches out to so many of so many different persuasions.

10 Susan Higgins { 12.16.15 at 6:17 pm }

Happy Birthday, Kimberly Miller!

11 Kimberly. Miller { 12.16.15 at 12:45 pm }

December 21…that’s my birthday..that’s how i celebrate…

12 Susan Higgins { 12.16.15 at 6:21 pm }

Hi Moh, great question! In doing a little digging, I’ve located this link that may be helpful to you. It looks like the Indian Hermant Ritu, the Indian pre-winter, ends on Decembber 21st: http://hinduism.about.com/od/basics/ss/The-Six-Seasons-of-India.htm

13 Moh { 12.16.15 at 10:23 am }

Were there any customs in India?

14 Pamela ps { 12.16.15 at 8:58 am }

This article very informative.

15 Susan Higgins { 12.16.15 at 6:18 pm }

Regina, interesting info, thank you! Of course there’s also Stonehenge, a fascinating structure.

16 regina { 12.16.15 at 8:52 am }

Interesting about Newgrange. Does anyone know if there are other buildings designed so intoned with Nature? The Byodo-in, in Uji, Japan (actually Phoenix Hall part of the compound) is on the site of an earlier prince’s villa that was positioned for optimal viewing of the harvest full moon. (and when I say earlier, the Ho-odo is the oldest wooden building in Japan, dating from about 1050 CE)

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